Nj 21 over Dayton Avenue
FairPassaic County, New Jersey · 1.6 MI S of US 46 JCT · Structure no. 1603184
- Built
- 2000
- 25 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 109 ft
- 1 main span
- Daily traffic
- 82,083
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 21 over Dayton Avenue is a steel stringer/multi-beam or girder carrying Nj 21 over Dayton Avenue in Passaic County, New Jersey. It was built in 2000, so it is 25 years old, younger than the New Jersey average of 58.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 82,083 vehicles a day, roughly 5% of them trucks, projected to reach 98,500 by 2043. The structure is 109 ft (33.2 m) long and 89 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 21 over Dayton Avenue built?
It was built in 2000, making it 25 years old in 2025.
What condition is Nj 21 over Dayton Avenue in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.
How much traffic does Nj 21 over Dayton Avenue carry?
About 82,083 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Nj 21 over Dayton Avenue?
The structure is 109 ft (33.2 m) long with a longest span of 100 ft (30.5 m) and a deck 89 ft wide.
Who owns Nj 21 over Dayton Avenue?
It is owned by the State Highway Agency.